Shandong manhole cover sensor 2200+
About 2,200 pieces manhole cover sensor were installed in Jinan City, Shandong Province in 2019. It is mainly used to detect the liquid level of the septic tank and whether the manhole cover is moved.
wireless sensor| ultrasonic sensor | IOT sensor
About 2,200 pieces manhole cover sensor were installed in Jinan City, Shandong Province in 2019. It is mainly used to detect the liquid level of the septic tank and whether the manhole cover is moved.